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Finding the Third Proportional to 10,068,981,915 and 15,795,261,251

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Solution

The third proportional to 10,068,981,915 and 15,795,261,251 is: 24,778,103,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068,981,915 : 15,795,261,251 = 15,795,261,251 : x
  2. Step 2: Convert to fraction form
    10,068,981,915/15,795,261,251 = 15,795,261,251/x
  3. Step 3: Cross multiply
    10,068,981,915x = 15,795,261,251 × 15,795,261,251
  4. Step 4: Simplify right side
    10,068,981,915x = 249,490,277,987,342,090,240
  5. Step 5: Solve for x
    x = 249,490,277,987,342,090,240/10,068,981,915
  6. Step 6: Final answer
    x = 24,778,103,694.44

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.